26091969751 has 4 divisors (see below), whose sum is σ = 26097687472. Its totient is φ = 26086252032.

The previous prime is 26091969703. The next prime is 26091969781. The reversal of 26091969751 is 15796919062.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 26091969751 - 2²⁵ = 26058415319 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 26091969692 and 26091969701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26091969781) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2852010 + ... + 2861143.

It is an arithmetic number, because the mean of its divisors is an integer number (6524421868).

Almost surely, 2^26091969751 is an apocalyptic number.

26091969751 is a deficient number, since it is larger than the sum of its proper divisors (5717721).

26091969751 is an equidigital number, since it uses as much as digits as its factorization.

26091969751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5717720.

The product of its (nonzero) digits is 1837080, while the sum is 55.

The spelling of 26091969751 in words is "twenty-six billion, ninety-one million, nine hundred sixty-nine thousand, seven hundred fifty-one".